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IE792507L - Process for preparing pyrogallol - Google Patents

Process for preparing pyrogallol

Info

Publication number
IE792507L
IE792507L IE792507A IE250779A IE792507L IE 792507 L IE792507 L IE 792507L IE 792507 A IE792507 A IE 792507A IE 250779 A IE250779 A IE 250779A IE 792507 L IE792507 L IE 792507L
Authority
IE
Ireland
Prior art keywords
pyrogallol
oxime
salt
preparing
preparing pyrogallol
Prior art date
Application number
IE792507A
Other versions
IE49240B1 (en
Original Assignee
Fisons Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fisons Ltd filed Critical Fisons Ltd
Publication of IE792507L publication Critical patent/IE792507L/en
Publication of IE49240B1 publication Critical patent/IE49240B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
    • C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
    • C07C37/055—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
    • C07C37/0555—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group being esterified hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Bipolar Transistors (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Pyrogallol or a salt thereof is prepared by a process comprising deoximating cyclohexane-1,2,3-trione oxime or an oxime derivative thereof or a salt of either. Preferably the oxime itself is exployed, especially the 1,3-dioxime. The deoximation is preferably effected by hydrolysis.
IE2507/79A 1978-12-27 1979-12-21 Process for preparing pyrogallol IE49240B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7849996 1978-12-27

Publications (2)

Publication Number Publication Date
IE792507L true IE792507L (en) 1980-06-27
IE49240B1 IE49240B1 (en) 1985-09-04

Family

ID=10501938

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2507/79A IE49240B1 (en) 1978-12-27 1979-12-21 Process for preparing pyrogallol

Country Status (11)

Country Link
US (1) US4275247A (en)
EP (1) EP0013085B1 (en)
JP (1) JPS5589235A (en)
AT (1) ATE2506T1 (en)
BR (1) BR7908517A (en)
CA (1) CA1137516A (en)
DD (1) DD150454A5 (en)
DE (1) DE2964866D1 (en)
HU (1) HU184090B (en)
IE (1) IE49240B1 (en)
IL (1) IL59029A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515667A (en) * 1983-07-19 1985-05-07 The Standard Oil Company Novel catalysts and processes for the photochemical decarboxylation of alpha-hydroxy carboxylic acids

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717683A (en) * 1970-01-12 1973-02-20 Upjohn Co Process for preparing hydroquinone from p-nitrosophenol

Also Published As

Publication number Publication date
BR7908517A (en) 1980-10-07
DE2964866D1 (en) 1983-03-24
IE49240B1 (en) 1985-09-04
ATE2506T1 (en) 1983-03-15
US4275247A (en) 1981-06-23
DD150454A5 (en) 1981-09-02
CA1137516A (en) 1982-12-14
EP0013085A1 (en) 1980-07-09
IL59029A0 (en) 1980-03-31
IL59029A (en) 1982-08-31
JPS5589235A (en) 1980-07-05
HU184090B (en) 1984-06-28
EP0013085B1 (en) 1983-02-16

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